A bitcoin startup plans to join Japan’s growing ranks of power utilities and accept the cryptocurrency as payment for electricity charges, promising bills four to six percent cheaper than the competition. ResuPress Inc., a Tokyo-based startup that runs a bitcoin exchange and storage service ...

Bitcoin qualifies as money, a federal judge ruled on Monday, in a decision linked to a criminal case over hacking attacks against JPMorgan Chase & Co. and other companies. U.S. District Judge Alison Nathan in Manhattan rejected a bid by Anthony Murgio to dismiss ...

When hackers penetrated a secure authentication system at a bitcoin exchange called Bitfinex earlier this month, they stole about $70 million worth of the virtual currency. The cybertheft — the second largest by an exchange since hackers took roughly $350 million in bitcoins at ...

Forget Bitcoin. There’s a new digital currency that is surging as online drug-dealers begin adopting it to conduct business with more anonymity. The two-year-old currency Monero has more than quadrupled this month after gaining support from prominent websites that anonymously peddle drugs. It spiked ...

Bitcoin, a Florida judge says, is not real money. That could actually provide a boost to use of the cryptocurrency, which has remained in the shadows of the financial system. The July 22 ruling by Miami-Dade Circuit Judge Teresa Pooler means no license is ...

Bitcoin plunged after one of the largest exchanges halted trading because hackers stole about $65 million (¥6.6 billion) of the digital currency. Bitcoin slumped 5.3 percent against the dollar as of 10:17 a.m. on Wednesday in Tokyo, bringing its two-day drop to 13 percent. ...

Mark Karpeles, head of the collapsed Mt. Gox bitcoin exchange, was released on bail Thursday after his arrest in August 2015 over the alleged theft of ¥341 million of clients’ money. The Tokyo District Court approved the ¥10 million bail of French-born Karpeles, 31, ...

Bitcoin operators are keenly watching the Diet as it deliberates bills to regulate the currency, believing the legislation is key to regaining the public trust’s in the virtual tender and luring more players to the industry. The bitcoin phenomenon fell under a cloud following ...

Australian tech entrepreneur Craig Wright told the BBC on Monday he was the creator of controversial digital currency bitcoin, ending years of speculation about a person who until now has gone by the pseudonym Satoshi Nakamoto. The BBC said Wright gave technical proof supporting ...

Police referred a 16-year-old high school student to prosecutors on Friday on suspicion of using software on other people’s computers to obtain the online account details of several hundred people, including records of their online shopping. The male student from Tokyo’s Ota Ward is ...